小程序 Java Telnet客户端实例源码（源码）.rar

import java.net.*; import java.io.*; //Download by http://www.codefans.net public class TelnetClient { String host="162.105.31.222"; //Telnet服务器地址 int port=23; //端口号 public TelnetClient() { System.out.println("Host " + host + "; port " + port); try { Socket socket = new Socket(host, port); //实例化套接字 new Listener(socket.getInputStream(), System.out).start(); //输出服务器信息到控制台 new Listener(System.in, socket.getOutputStream()).start(); //输出控制台信息到服务器 } catch(IOException ex) { ex.printStackTrace(); //输出错误信息 return; } System.out.println("Connected Success"); } class Listener extends Thread { BufferedReader reader; //输入流 PrintStream ps; //输出流 Listener(InputStream is, OutputStream os) { reader = new BufferedReader(new InputStreamReader(is)); //实例化输入流 ps = new PrintStream(os); //实例化输出流 } public void run() { String line; try { while ((line = reader.readLine()) != null) { //读取数据 ps.print(line); //输出数据 ps.print("\r\n"); ps.flush(); } } catch(IOException ex) { ex.printStackTrace(); } } } public static void main(String[] argv) { new TelnetClient(); } }